1、Mr. He drove his large bus with 53 passengers (permitted carrying capacity 47) to 454 km mark by 100m along the Yining-hefei Expressway in Nanjing jurisdiction, where he was tailgated by a heavy-type semitrailer tractor. The bus left the road, breaking through the guardrail and catching fire. 17 people were killed and 27 injured. Which of the following law-breaking acts did Mr. He commit?
A、Speeding
B、Exceeding the carrying capacity of the motor bus
C、Driving a motor vehicle overdue for annual inspection
D、Improper operation
Answer：B
2、The main impact of muddy roads on safe driving is that the wheels may easily spin and skid
A、Right
B、Wrong
Answer：A
3、Motor vehicles are prohibited from stopping on the ramp of an expressway.
A、Right
B、Wrong
Answer：A
4、The circle in the center of the intersection indicates that drivers should drive along the inner side when making a small left turn.
A、Right
B、Wrong
Answer：A
5、Drivers are not allowed to drive on or across these filled-in slanted yellow lines.
A、Right
B、Wrong
Answer：A
6、When driving on an expressway in rain, the driver should slow down to avoid steering failure arising from "water slide"
A、Right
B、Wrong
Answer：A
7、Drivers may go ahead when traffic polices posture is like this.
A、Right
B、Wrong
Answer：A
8、After a motor vehicle enters the ramp from an expressway, it should reduce its speed below the prescribed speed limit.
A、Right
B、Wrong
Answer：A
9、In this driving condition, drivers should turn on the high-beam when setting off.
A、Right
B、Wrong
Answer：B
10、The sign on the right warns of a non-motor vehicle lane.
A、Right
B、Wrong
Answer：B
11、When disembarking, what should be done by drivers in order to keep safe?
A、Opening the door and disembarking immediately after stopping
B、Observing the traffic situation ahead
C、Opening the door first and then observing the situation beside and behind the vehicle
D、Observing the situation beside and behind the vehicle before opening the door slowly
Answer：D
12、Sounding the horn on a foggy daY can arouse the attention of the opposite side. After hearing the horn from the opposite side, the driver should also sound their own horn to respond.
A、Right
B、Wrong
Answer：A
13、When evading an emergency, except for being calm what principle should be held by drivers?
A、Evading people first and then objects
B、Evading objects first and then vehicles
C、Evading vehicles first and then people
D、Evading objects first and then people
Answer：A
14、How to pass the intersection when running straight
A、turn on the hazard lights and pass
B、directly speed up and pass straight
C、yield to the vehicle from the right road
D、yield to the vehicle from the left road
Answer：C
15、What is the intersection ahead indicated by the right sign?
A、T-shaped intersection
B、Y-shaped intersection
C、Cross-shaped intersection
D、Roundabout
Answer：D
16、The sign on the right warns of a dangerous mountainside road on the left of the road ahead.
A、Right
B、Wrong
Answer：B
17、Under such circumstances, what should motor vehicle drivers do?
A、Guard against the sideslip of motor vehicles
B、Guard against the crossing of pedestrians
C、Speed up and pass through as quickly as possible
D、Continuously sound the horn
Answer：B
18、The sign on the right warns that the road will narrow over the next 5 kilometers.
A、Right
B、Wrong
Answer：A
19、Under such circumstances, motor vehicle drivers may sound the horn at the proper time and speed up to pass through.
A、Right
B、Wrong
Answer：B
20、When such circumstances happen suddenly, what should the driver do?
A、Reduce speed or stop to yield
B、Bypass in front of the pedestrians
C、Continuously sound the horn to alert the pedestrians
D、Bypass from behind the pedestrians
Answer：A